. >> senator, you're no jack kennedy. >> reporter: in 1992, it was described as a free-for-all with dan quayle and al gore continually interrupting each other. >> in foreign countries -- foreign aid. senator, it's in your book. >> reporter: vice president cheney and senator john edwards barely kept their debate civil with cheney blasting edwards for his attendance recordn congress. >> the first time i ever met you was when you walked on the stag tonight. >> reporter: thursday biden is expected to go after ryan on issues like medicaid, social security and foreign policy. >> i wouldn't be surprised if you got a zinger or two from joe biden. i don't think he's worried about being perceived as talking down to paul ryan. >> reporter: and the personal momes
